Method of and means for winding flexible material



Aug. 20, 1935. R. Moc. JoHNsToNE 2,012,102

METHOD OF4 AND MEANS FOR WINDING FLEXIBLE MATERIAL Original Filed Mayl, 1932 [N VEN TOR.

A TTORNE Y.

vIl() la different length or length to match up with the desired new width of sections, Whereas with the Patented Aug, 20, 1935A METHOD 0F AND MEANSFOR WINDING f w i FLEXIBLE J rnbert Mec. Johnstone, short Hills, N. J., as-y signorto vCameron Machine' Company, Brooklyn, N. Y., a corporation of VNew York n Y i 'Continuation. of ilapyplicationjy Serial No.r 611,015@

May 13, 1932. -ThiszappliationAprivl 11j, 1933,

Serial No. 665,600 f lThisinventionv relates toga method of wind-'- ing, and subsequently separating,.sections of flexlilole material, kas Well as to the coreon which the material is Wound, and `to the product obtained thereby, and has forits main object and `featureI a new method and means whereby it becomes un`j necessary to have the core-divisions correspond exactly to the wound sections. The valueof this invention will be appreciated Whenit is reinem,-

ibered that flexible material is sometimes slitted into very narrow sections, and that, Vwhen these sections are wound sidel byside, unless the size and position of the core members correspond eX- actly to the lines of division of the sections, said sections will overlap on .different core., membersj and, in consequence, it becomes very Vdiilicult to, separate `the wound sections. Moreover, sometimes the width of the slitted sections is such'that it is impossible to divide rthe coreinto a numberl of sections that will add up to correspond with the Width of the web being slitted. For instance,'inx slitting 1/4 wide strips in a 26" machine, it would be necessary toI have one hundred and four core members, and if each-,core member is .003 too great in length, the overall length of a group of.

one hundred and four members will be 26.3125. It is therefore evident that. a Ylarge ,numberof the wound coils would overlap on different core members. In carrying; out my invention there is..

l employed a plurality of` ydisk-like members or washers or laminations to form a core,:and these disk-like members are so `thin that'the' lineof separation'between adjacent coils of woundmae; terial .need'not coincide .exactlywith .the line of` division between adjacent washers, because ,even if there is a slight overlapping of adjacent coils with,A

respect ,toV the same washer., the. amount of overlapping will be so slight as to form practically no impediment to the separation of said coils, and

the washers will divide along any line that hapf pens to be natural to them under the circumstances lAt the same time, a core portion will remain within each coil.

Furthermore, it is` frequently desired to change from one Width of vslitted section to anothen'in operating the machines, and under prevailing practice it is necessary to` provide core-portions of f' slitted sections are wound on different cores as in the well-known staggered arrangement, be-

cause a section of ilexible material can be wound afterbedivided at points `approximately correspending to theywidth of awound section.

In the'accompanying drawing the invention is disclosed in severalconcreteand preferred forms, '5

.Fig,j2 is a sectionalview of a group of disk- 1C'.

like membersforming a core mounted on a support vand showing also the slitted sections of neX- ible materialen kthe core; n x l Fig. 3 is a view similar to Fig. 2 but showing the core removed from ,the support and the separal'5` tion `of wound sections portions; and A Y Y I Figl is apsectional View similar to Fig. 2 but showing .the arrangement when thevslitted sections are wound in staggered relation on differentsupports; 1

I,v Vindicates a support or winding shaft on which are mountedY side by side a plurality of disk-like members 2, which may consist of paper, steel,v brass, celluloidor what not. ,I These mem- 25 bers, which. are greater in number than the plurality'of coils, are separable and are held under compression by lsuitable abutment members,y one of which-,islshown at 3, arranged at opposite and of the core into core ends of supporti so as to form a corefwith a 30 ysubstardzially uninterrupted v supporting surface.

The winding shat,here supported ,by pivotalarms I2, may form part of anysuitable .winding machine such vas shown in Fig. 1, in whichlweb 'Ifis led from a supply rollv over a suitable guidek 8, around backing member Sand to the winding shaf/ti. Inrpassingmover the backing membenthe web is slitted into a plurality of sections by means of score-cut slitters H. The particularv construction of winding machine, and the'par- 40 v ticular slitting means used are unimportant. The slitted sections which are wider than the thickness of washers 2 are then Wound into vcoils I3, .in a well-understood manner. .AfterA the .Winding operation is` completed, the yshaft and 45 wound material are removed from the machine, and the shaft is Withdrawn from the core. Itk will now be evident, as shown in Fig. 3, that the v coils lor wound sections may be readily separated, and that the core will be separated into coreportions l0 alongany line of division natural to the disk-like members and that a core-portion, consisting of aplurality of such disk-like members, will remain within each wound section. It will further be understood that this natural line of division of the members may or may not coincide With the line of separation of the Wound sections.

The slitted sections of flexible material may, if

desired, be Wound on different supports. As shown in Figs. 1 and 4, the machine may be provided with a second support'l5 and the vslitted sections can then be Wound in staggered relation on supports l and i5. After winding is completed the shafts and `coresy are removed from the machine and, as a shaft is Withdrawn from a core, said core can be separated along any natural line of division as before, leaving `a core-portion within each Wound section.

From the foregoing it Will be understood that the ultimate product consists of a core-portion, to sustain a section of Wound iiexible material, composed of disk-like members that are freely separable into core-portions of various vpre-indeterminable lengths, together with a section of flexible material Wound on said core-portion to thereby prevent separation of the core-portion into its constituent members. Furthermore, that the entire core (as distinguished'from the core-portion) can be characterized as a core, for Wound sections of flexible material, composed of a plurality of disk-like'members that are freely separable into core-portions of various pre-indeterminable lengths approximately determined by the Width of the Wound sections of flexible material. Y

The present application is a continuation of one filed May 13, 1932, Ser. No. 611,015.

I claim:

1. As a new article of manufacture: a coreportion, to sustain a section of wound flexible material, composed of a plurality of freely separable disk-like members that are freely separable into core-portions of various pre-indeterminable lengths; and a section of flexible material Wound on said core-portion to thereby prevent separation of the core-portion into its constituent members.

2. As a new article of manufacture: a core, for Wound sections of flexible material, composed ofr a plurality of disk-like members that are freely separable into core-portions of Various pre-indeterminable lengths approximately determined by the width of the wound sections of flexible material.

3. As a new article of manufacture: a core, to sustain along its length one or more sections of Wound flexible material, composed of a plurality of freely separable disk-like members; andV one or more sections of flexible material Wound on said core to prevent separation into its constituent members, of the core-portion Within the Wound material and to admit of the separation of the core into Various pre-indeterminable lengths of core-portions approximately determined by the Width of the Wound section or sections.

4. As a new article of manufacture: a plurality of Wound sections of flexible material; and a core therefor composed of a plurality of disk-like members, that are freely separable into core-portions of various pre-indeterminable lengths, said disk-like members being greater in number than the plurality of sections and each member of less thickness than the Width of a section of iiexible material.

5. A method of Winding sections of flexible material on a core and subsequently separating said core into core-portions which consists in: mounting,l on a support, a plurality of disk-like members in side by side relation to thereby form a substantially uninterrupted supporting core to sustain along its length one or more sections of wound flexible material; winding one or more sections of flexible material, each of greater Width than the thickness of a disk-like member, on said core; and separating said core on any line of division natural to the disk-like members, as approximately determined by the Width of a Wound section, while leaving a core portion within the Wound section.

V6'. A method ofv Winding and subsequently separating sections of flexible material which consists in: mounting, on a support, a plurality of disk-like members in side by side relation to thereby form a substantially uninterrupted supporting core; winding a plurality of sections of flexible material, each of greater Width than the thickness of a disk-like member, in Side by side relation on said core; separating said wound sections and thereby separating said core on any line of division natural to the disk-like members While leaving a core-portion Within each wound section.

'7. A method of providing a section of Wound flexible material with a core-portion which consists in: mounting, on a support, a plurality of disk-like members in side by side relation to thereby form a substantially uninterrupted supporting core to sustain along its length a section of wound flexible material; Winding a section of flexible material, of greater width than the thickness of a disk-like member, on said core; and separating said core on any line of division natural to the disk-like members, as approximately determined by the width of the Wound section, while leaving a core-portion within the Wound section.

ROBERT MCC. JOHNSTONE.

CERTFICATE 0i? CRRECTIN.

ifieent No. 2,012,102. August 20, 1935.

ROBERT MCC. JOHNSTNE.

it' is hereby ceitifieei that errer appears in the pfieiefi speeiiicetion of the above numbered miem requiring eerreeiien es ieiows; C2, iiiei eeiumn, Hines 37-38, claim i.. strike oui' the Words "ireeiy sepeiebie"; and thai me said Letters Patent should be read with this correction iherein that the same may eenierm to the record 0i the cese in tile Patent @ffice Signed and sealed @his 8th dey ei cteber, A. i). 1935.

Leslie Frazer (Seai) Acting Commissioner ef Patents. 

